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本帖最后由 Heaven_1 于 2022-12-30 09:56 编辑
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7 i0 m/ i* H8 F. E5 _FEATURES) M/ U6 f4 C* x: F) {1 @
■ Three-channel PMU:Buck,Boost
+ h; g# o) L& @; rand9 M! k2 E' I# s
Super {- ~, G* R7 E" l
capacitor charger
2 b" A9 O9 n. H- Y4 _+ x■
[/ k. k" ^) x% zwide working range: 5V-40V
# i0 g J' i/ ^$ ^■ 3.3V 450mA Output Power for Buck y8 }1 [2 H7 ~6 s* R, G3 }
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12V 500mA Output Power for Boost at 2.7V8 W: ~( y6 U# m) }8 C( X
Input
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8 u6 f& e x7 a2 a, b/ d* l1% accuracy for Charger CV voltage and up
" v( @# w0 F- p4 f( o1 S4 H. i1 X7 B8 tto 150mA constant charge current. E& w: p+ S$ U' l4 T7 t4 X6 }: o
■
& O# O" Y/ g0 zHigh Efficiency PFM mode at light load for T' K0 N1 G6 O, B& m" i, y
Buck% K L; r: T; e4 K& d
■ Enable pin to auto-switch boost and charger/ T% y" D. I& X
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Available in ES0P8 and QFN3x4-24 Package8 J2 {2 z( h; n* p; B& [
APPLICATIONS& h9 d* Q G3 @7 U6 q ?2 `
■ PLC modules4 a8 H8 A. P" t8 l3 L+ T4 W0 {
■ Power Meters
/ i2 n( `5 i1 F5 U; E■ Any system that needs super capacitor as a
( q- ?- w" N$ u9 q8 L: S, a/ Wbackup power" ^( \( g& s# D' X$ W$ j1 [
DESCRIPTION
/ V+ j3 g8 z' g! m9 W. I: g9 SZCC4200 is a three-channel PMU that includes a& i5 s' `6 ^( ^2 H
40V input, a high efficiency synchronous buck: M0 Q0 w% E# s; U- y
converter, a low startup, high efficiency 18V
. J7 I* p0 z4 Y) kboost converter and a super capacitor Charger., t- _% @, [( x ^. Q7 W8 Z) k
The buck converter withstands input voltage up
5 L+ t! g8 o; G5 ]( c/ R; Ato 40V and delivers a 3.3V output with up to 450mA
) o& T6 e) B, D- |- acurrent. The boost converter is capable of$ q+ f/ Q; F4 W+ d+ B; m0 }. X7 z
providing up to 500mA to 12V output from a single9 C1 f0 s( K; D
cell super capacitor or a battery at 2.7V. A0 q5 \4 M7 l& v
linear supercapacitor charge is also integrated with a very high accuracy CV voltage.7 v) W9 ^ A0 c, H+ E* j5 i
The output voltage of boost can be adjusted by( f. j, S7 V4 B& U8 U3 R
external resistor divider. All three power5 r' M9 D8 e" [" e% { ^) Z
modules are packed into a single ES0P8 and$ z' Y* T& a( n
QFN3x4-24 package,beating the discrete1 n$ }* N5 \* _& w: d4 h; @
solution in features, peRFormance, size, PCB
3 {+ D7 v( l: M8 g8 j( U. I! }layout and cost3 ?5 n# [' _! v/ e5 }9 p5 w/ Q
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发表于 2022-12-29 17:56
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